<template>
  <modal-inner aria-label="Export with Pandoc">
    <div class="modal__content">
      <p>Please choose a format for your <b>Pandoc export</b>.</p>
      <form-entry label="Template">
        <select class="textfield" slot="field" v-model="selectedFormat" @keyup.enter="resolve()">
          <option value="asciidoc">AsciiDoc</option>
          <option value="context">ConTeXt</option>
          <option value="epub">EPUB</option>
          <option value="epub3">EPUB v3</option>
          <option value="latex">LaTeX</option>
          <option value="odt">OpenOffice</option>
          <option value="pdf">PDF</option>
          <option value="rst">reStructuredText</option>
          <option value="rtf">Rich Text Format</option>
          <option value="textile">Textile</option>
          <option value="docx">Word</option>
        </select>
      </form-entry>
    </div>
    <div class="modal__button-bar">
      <button class="button" @click="config.reject()">Cancel</button>
      <button class="button" @click="resolve()">Ok</button>
    </div>
  </modal-inner>
</template>

<script>
import FileSaver from 'file-saver';
import sponsorSvc from '../../services/sponsorSvc';
import networkSvc from '../../services/networkSvc';
import editorSvc from '../../services/editorSvc';
import googleHelper from '../../services/providers/helpers/googleHelper';
import modalTemplate from './common/modalTemplate';

export default modalTemplate({
  computedLocalSettings: {
    selectedFormat: 'pandocExportFormat',
  },
  methods: {
    resolve() {
      this.config.resolve();
      const currentFile = this.$store.getters['file/current'];
      const currentContent = this.$store.getters['content/current'];
      const selectedFormat = this.selectedFormat;
      this.$store.dispatch('queue/enqueue', () => Promise.all([
        Promise.resolve().then(() => {
          const loginToken = this.$store.getters['data/loginToken'];
          return loginToken && googleHelper.refreshToken(loginToken);
        }),
        sponsorSvc.getToken(),
      ])
        .then(([loginToken, token]) => networkSvc.request({
          method: 'POST',
          url: 'pandocExport',
          params: {
            token,
            idToken: loginToken && loginToken.idToken,
            format: selectedFormat,
            options: JSON.stringify(this.$store.getters['data/computedSettings'].pandoc),
            metadata: JSON.stringify(currentContent.properties),
          },
          body: JSON.stringify(editorSvc.getPandocAst()),
          blob: true,
          timeout: 60000,
        })
        .then((res) => {
          FileSaver.saveAs(res.body, `${currentFile.name}.${selectedFormat}`);
        }, (err) => {
          if (err.status !== 401) {
            throw err;
          }
          this.$store.dispatch('modal/sponsorOnly');
        }))
        .catch((err) => {
          console.error(err); // eslint-disable-line no-console
          this.$store.dispatch('notification/error', err);
        }));
    },
  },
});
</script>
